NASA launches a rocket at
t
=
0
seconds. Its height, in meters above sea-level, as a function of time is given by
h
(
t
)
=
−
4.9
t
2
+
301
t
+
94
.

Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?

The rocket splashes down after seconds.

How high above sea-level does the rocket get at its peak?

The rocket peaks at meters above sea-level.