Now, normally, when an object flies through the air, the air will flow around the object, but in this case, the ball would be going so fast that the air molecules wouldn't have time to move out of the way.
通常来说 当一个物体在空中飞过 空气会环绕在物体周围 但在这个例子里 球飞得太快了 所以空气分子来不及 避开物体