Question

A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of ft/s.

1. At what rate is his distance from second base decreasing when he is halfway to first base? (Round your answer to one decimal place.)

   ft/s

2. At what rate is his distance from third base increasing at the same moment? (Round your answer to one decimal place.)

   ft/s