What Does Kepler's Third Law Imply About Planetary Motion

Multiple Choice

What does Kepler's third law imply about planetary motion?

A) All planets orbit the Sun at the same speed.
B) Planets closer to the Sun orbit at a slower speed than planets further from the Sun.
C) Planets further from the Sun orbit at a slower speed than planets closer to the Sun.
D) Planets further from the Sun orbit at a faster speed than planets closer to the Sun.
E) This law implies nothing about a planet's motion.