how off am i? using a mass of 10 lbs, height of 1 foot, and g = 32.15 feet, i get 10336.23 for mgh.
v^2 = .5 * 10 * 10336.23
v = 227.33 feet per second
so to move a 10 weight 1 foot in the air it needs to have a velocity of 227 feet per second? seems a bit high...