When you drop a 1 pound ball how fast is it going at the 20 foot mark?

To determine the speed of a 1-pound ball at the 20-foot mark, we can use the kinematic equation for free fall, assuming no air resistance. The formula ( v = \sqrt{2gh} ) can be applied, where ( g ) is the acceleration due to gravity (approximately 32.2 feet per second squared) and ( h ) is the height (20 feet). Plugging in the values, the speed at the 20-foot mark would be approximately 24.6 feet per second.