2. Harry fires a rocket upward which travels at the speed given by the equation sit) = -16t²+725t where s(t)is the height in meters of the rocket above the ground t seconds after the rocket was fired.
a. How many seconds does it take the rocket to reach its maximum height
b. Find the maximum height of the rocket.
c. How long does it take for the rocket to hit the ground 100 offencing
pa help report nonsense correct answer brainles?​