In slow- pitch softball the ball is pitched in an underhand motion. A batter in a softball game is pitched a ball that has initial vertical velocity of 35 feet per second.

a. Write an equation for the height h (in feet) of the ball as a function of the time t (in seconds) after it is pitched.

b. The batter hits the ball when it is 2.5 feet above the ground. How long after the ball is pitched is the ball hit? Round your answer to the nearest tenth of a second.