Even if the ball didn't disintegrate on impact, or hit any obstacles, as the air slowed it, the angle of its deflection would increase, causing it to spiral into smaller and smaller circles, until finally stopping.
即使球没有在冲撞中解体,或者击中任何障碍物,空气使其变慢,偏转角会增加,使螺旋变成越来越小
圆,最终停止。