SO i am making portal and idk how to get the speed of the player when entering the portal?

help i am using this

local Mouse = game.Players.LocalPlayer:GetMouse()
local RunService = game:GetService("RunService")
local db = false
local DB = false
local Switch = false
local NotActivated = true
local P1 = script.Parent:WaitForChild('Portal1').Value
local P2 = script.Parent:WaitForChild('Portal2').Value
local Char = game.Players.LocalPlayer.Character or game.Players.LocalPlayer.CharacterAdded:Wait()
local HRP = Char:WaitForChild('HumanoidRootPart')

RunService.RenderStepped:Connect(function()
    Mouse.Button1Up:Connect(function()
        if not db then
            if not NotActivated then
                local TargetSurface = Mouse.TargetSurface
                if not Switch then
                    P1.Parent = game.Workspace
                    P1.Position = Mouse.Hit.p
                    P1.CFrame = CFrame.new(P1.Position,HRP.Position)
                    if TargetSurface == Enum.NormalId.Top then
                        P1.Orientation = Vector3.new(90, 180, 0)
                    elseif TargetSurface == Enum.NormalId.Front then
                        P1.Orientation = Vector3.new(0, 0, 180)
                    elseif TargetSurface == Enum.NormalId.Right then
                        P1.Orientation = Vector3.new(0, -90, 180)
                    elseif TargetSurface == Enum.NormalId.Back then
                        P1.Orientation = Vector3.new(0, 180, 180)
                    elseif TargetSurface == Enum.NormalId.Left then
                        P1.Orientation = Vector3.new(0, 90, 180)
                    elseif TargetSurface == Enum.NormalId.Bottom then
                        P1.Orientation = Vector3.new(-90, -180, 0)          
                    end
                    Switch = true
                else
                    P2.Parent = game.Workspace
                    P2.Position = Mouse.Hit.p
                    P2.CFrame = CFrame.new(P2.Position,HRP.Position)
                    if TargetSurface == Enum.NormalId.Top then
                        P2.Orientation = Vector3.new(90, 180, 0)
                    elseif TargetSurface == Enum.NormalId.Front then
                        P2.Orientation = Vector3.new(0, 0, 180)
                    elseif TargetSurface == Enum.NormalId.Right then
                        P2.Orientation = Vector3.new(0, -90, 180)
                    elseif TargetSurface == Enum.NormalId.Back then
                        P2.Orientation = Vector3.new(0, 180, 180)
                    elseif TargetSurface == Enum.NormalId.Left then
                        P2.Orientation = Vector3.new(0, 90, 180)
                    elseif TargetSurface == Enum.NormalId.Bottom then
                        P2.Orientation = Vector3.new(-90, -180, 0)          
                    end
                    Switch = false
                end
            end
            db = true
            wait()
            db = false
        end
    end)
    P2.Touched:Connect(function(hit)
        if hit.Parent:FindFirstChild('Humanoid') and not DB then
            DB = true
            local HRP = hit.Parent.HumanoidRootPart
            HRP.CFrame = P1.CFrame + Vector3.new(0,6,0)
            HRP.Velocity = P1.CFrame.LookVector * 100 -- I want to calculate the speed of the player multiply it by 2 and throw the player by the speed for example PlayerVelocity = PlayerSpeed * 2
            wait(2)
            DB = false
        end
    end)

    P1.Touched:Connect(function(hit)
        if hit.Parent:FindFirstChild('Humanoid') and not DB then
            DB = true
            local HRP = hit.Parent.HumanoidRootPart
            HRP.CFrame = P2.CFrame + Vector3.new(0,6,0)
            HRP.Velocity = P2.CFrame.LookVector * HRP.Velocity * 100 -- I want to calculate the speed of the player multiply it by 2 and throw the player by the speed for example PlayerVelocity = PlayerSpeed * 2
            wait(2)
            DB = false
        end
    end) 
end)

script.Parent.Equipped:Connect(function()
    NotActivated = false
end)

script.Parent.Equipped:Connect(function()
    NotActivated = true
end)

but no work