how does the velocity of a paintball gun effect the accuracy of the gun?
Answer 300 feet per second is the worldwide maximum speed limit. Increased velocity can increase distance but does not always increase accuracy. If the marker is performing well at say 285 fps, with good accuracy from shot to shot, turning it down to say 250 fps will still produce good accurate shots but the balls will go a shorter (lesser) distance. Increasing the velocity can give you wingers, or balls that break in the barrel. There are players who say they leave their velocity around 285 because that gives them consistent accuracy. Tournament players who will get penalized for shooting hot will usually not ride the upper chrono limit because the penalty for getting caught shooting hot is not worth maybe getting a few feet more distance. The max speed limit is the max. Above that is unsafe. Goggles and other gear are engineered with that speed limit max in mind, and the ASTM standards use that 300 fps as the maximum speed limit for the standards. Accuracy is not just about velocity.