How do you find FPS?

print(1/wait())

So you're just looking for the ROBLOX physics Frame Per Second, or do you want to do something with it?

The ROBLOX physics frames per second can be found press Shift F4

Try SamuelKingx's Approach, because I don't quite understand the RCL scripts.

You can use game.Worksapce:GetRealPhysicsFPS() for physics FPS. You can detect speed hackers with this function by checking if it is above 60.

Here is the link to the tweet I found this function from.