NASA launches a rocket at t : 0 seconds. Its height, in meters above sealevel, as a function of time is given by h(t) : 41.91:2 + 1451: + 220. Assuming that the rocket will splash down into the ocean, at what time does splashdown occur? The rocket splashes down after B seconds. How high above sealevel does the rocket get at its peak? The rocket peaks at C] meters above sealevel