Originally Posted by
visibility3miles
The rate of fall reflects weight mass, and surface area/coefficent of drag, which is why a feather lands more slowly than a cannonball unless it is in a vacuum. They have a very different terminal velocity.
Quite right (with a couple of minor adjustments).
Rather surprises me that people supposedly professionally trained in the subjects of drag and weight and aerial velocity appear to have never heard of Galileo's experiment at the leaning Tower of Pisa -
in 1590 or thereabouts.
https://demonstrations.wolfram.com/G...ngTowerOfPisa/