Please answer clearly and concisely

4. [-/1 Points] DETAILS MY NOTES 0/1 Submissions Used The height (in meters) of a projectile shot vertically upward from a point 2 m above ground level with an initial velocity of 25.5 m/s is h = 2 + 25.5t 4.9t (a) Find the velocity (in m/s) after 2 seconds and after 4 seconds. W[ s o[ s (b) When does the projectile reach its maximum height? (Round your answer to two decimal places.) I (c) What is the maximum height? (Round your answer to two decimal places.) o m (d) When does it hit the ground? (Round your answer to two decimal places.) L s (e) With what velocity (in m/s) does it hit the ground? (Round your answer to two decimal places.)