You can play Roblox at a much higher framerate than normal simply by using FPS Unlocker. Learn how to do so right here.

Roblox has a default frame rate of 60 frames per second, which is smooth, but it can feel smoother with the Roblox FPS Unlocker.

More importantly, Roblox extensions are generally safe to use. Since extensions aren't altering gameplay in any way, they aren't a bannable offense. However, players using extensions should still ...