We Never Know
No Slack
Of course not. The weight of the air does all the jobs:
Of course as I don´t believe in ghostst.
Im going to stick my neck out here.
Drop a bowling ball and feather, they both fall because of gravity yet because of air resistsnce and mass the bowling ball falls faster.
Drop them in a vacuum where there is no air resistance, only gravity, and they fall at the same speed.