Ball 1 rolls off the edge of a table and falls to the floor below, while ball 2 is dropp...

Ball 1 rolls off the edge of a table and falls to the floor below, while ball 2 is dropped from the same height (Fig. Q4.19). Which ball reaches the ground first? Explain why your answer does, or does not, depend on the velocity of ball 1 just before it leaves the table.