A baseball diamond is a square with side 90 feet. A batter hits the ball and runs toward first base with a speed of25ft/s.A baseball diamond with home plate at the bottom of the image and second base at the top of the image is shown. The distance between home and first base is 90 feet. A baseball player is running towards first base.

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

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