Question

According to Kepler's Second Law, how does a planet's speed change as it orbits the Sun?

Options

• Same speed all the time

• Faster when closer to the Sun

• Faster when farther from the Sun

• Speed changes randomly

Answer 1

Faster when closer to the Sun

Explanation:

To sweep out an equal area in an equal time, the planet must travel a greater distance along its orbital path when it is closer to the Sun.