Forces — practice question

A spaceship moves towards a planet and then goes past it. What is the force of gravity between the spaceship and the planet able to do?

• AIt can change the direction of the spaceship, or slow it down, but not speed it up.
• BIt can change the direction of the spaceship, or speed it up, but not slow it down.
• CIt can slow down the spaceship, or speed it up, but not change its direction.
• DIt can change the direction of the spaceship, slow it down, or speed it up.