1.If a ball is dropped from the top of the Empire State Building, 1002ft above the ground, the distance s (in feet) it falls after t seconds is()= 16t^2

a)What is the average velocity of the ball between 5 and 7seconds?

(Use decimal notation. Give your answer to three decimalplaces.)

b)How long does it take for the ball to hit theground?

(Use decimal notation. Give your answer to three decimalplaces.)

c)What is the average velocity of the ball during the time it isfalling?

(Use decimal notation. Give your answer to three decimalplaces.)

d)What is the velocity of the ball when it hits theground?

(Use decimal notation. Give your answer to three decimalplaces.)