Question

Based on the diagram, which of these statements is correct?

a. The orbital speeds of Earth and Mars are greater in position B than in position A.
b. The orbital speeds of Earth and Mars are greater in position A than in position B.
c. The orbital period of Earth in position A is greater than the orbital period of Mars in position B.
d. The orbital period of Earth in position B is greater than the orbital period of Mars in position B.