摘要：·now in this case，the feathers fell to the ground at a slower rate than the bowling ball，because of air resistance。

·now in this case，the feathers fell to the ground at a slower rate than the bowling ball，because of air resistance。

·so in order to see the true nature of gravity，we have to remove the air station。

·one go for drop pcd 30 dash one pressure set point at 240 psi，we are go for drop ten nine eight seven six five four one two one release。

·they came down exactly。

来源：彩云追逐者一点号1