Please provide an FPS cap setting in the options menu at increments of 10, starting from 50 to 100.
Some of the benefits from my years of gaming with fps settings has been this: Jumps from low to high fps are less noticeable, a very valuable thing for Arma 3, as the game engine has traditionally been prone to double or triple digit jumps in fps.
Having just played a mission in which the fps jumped from 50-80, you can immediately feel the difference, despite 50 fps being very playable and smooth had it not been for the relative difference. If the fps had been capped at 50 or 60, you would be unable to perceive the change. Therefore, because smoothness is a relative thing, the fps cap becomes a very crucial element, as it allows users to isolate their smoothness level depending on their general hardware performance.