A Rocket in Space Fires Its Engines Continuously Until It

Multiple Choice

A rocket in space fires its engines continuously until it runs out of fuel. Describe the motion of the rocket.

A) The rocket's speed increases until its engines stop firing, and then coasts in a straight line.
B) The rocket's speed is a constant value until the engines stop firing, and then coasts to a stop.
C) The rocket's speed increases until its engines stop firing, and then coasts to a stop.
D) The rocket's speed does not change, and it continues to move in a straight line.
E) The rocket does not move, as the engines have nothing to push against.