that only prevents people using Workspace:GetRealPhysicsFPS() aka roblox studio
so speedhacking via cheat engine is still an option for cheaters
Iᴛ ᴀɪɴᴛ ᴇᴀsʏ, ʙᴇɪɴɢ Cʜᴇᴇsᴇʏ.
It's simple to use ce for walkspeed, the only thing you notice if they are throttling using ce = ask them to jump at the same time as you. If it's shorter than your jump, he's using CE