ORIGINAL: flyX
You can do a simple experiment...Just drop a quater and penny. They'll both hit the ground at the same time.
But the quarter is bigger and heavier. Or drop a 1lb object and the quarter or a penny. They all hit the ground
at the sametime.
Here's a simple way to think about it. Throw one 180lb man out of a plane with a 20lb lead weight and another out of the same plane with a 20lb parachute, see which one hits the ground first.