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 height attained?

A) 22.3 m
B) 27.5 m
C) 40.4 m
D) 36.7 m
E) 20.0 m