Please answer asap. Really urgent for an assignment!! Thank you so much!!

s (t) = -16t2 - 22t + 920 where t is the time in seconds and s (t) is the height above the ground in feet, FIND the following: a) The initial height above the ground of the falling object. b) The height above the ground of the falling object at 2 seconds._ c) The height above the ground of the falling object at 5 seconds. d) Is the height above the ground of the falling object INCREASING or DECREASING? e) The velocity function of the falling object, v (t). f) The initial velocity of the falling object._ g) The velocity of the falling object at 2 seconds._ h) The velocity of the falling object at 5 seconds. i) Is the velocity of the falling object INCREASING or DECREASING? i) When will the falling object hit the ground? k) Find the velocity of the falling object when it hits the ground and convert to miles per hour