A Rocket Is Launched from the Origin with an Acceleration

Multiple Choice

A rocket is launched from the origin with an acceleration of 20.0 m/s² at an angle of 30.0 degrees above the horizontal. The launch acceleration lasts for 2.00 seconds at which time the fuel is exhausted. The rocket then falls with an acceleration of 9.80 m/s² downward. What is the maximum velocity reached in the upward direction?

A) 20.0 m/s
B) 25.0 m/s
C) 30.0 m/s
D) 35.0 m/s
E) 40.0 m/s