When a rocket ship gaining speed in outer space runs out of fuel, it
A)gains speed for a short time, then slows down to a constant velocity.
B)gains speed for a short time, slows down, and eventually stops.
C)no longer gains speed.

Question

Quizplus · Accepted Answer

When a rocket ship runs out of fuel, there is no longer any external force accelerating the ship. Without an external force acting on the ship, it will no longer gain speed, but will continue moving at a constant velocity due to the concept of inertia. Therefore, choice C is the best choice.

When a Rocket Ship Gaining Speed in Outer Space Runs