使用CGAffineTransform旋转UIView - 如何使其成为完整路径而不是短路径？

I'm making a speedometer app and I want arrow to behave the correct way - if I launch from zero to 200 km in one second, I want it to go around the bar, but if I set my rotation angle big enough, it goes the short way, from the bottom.I'm making a speedometer app and I want arrow t