The following table shows the distance from the sun of some unknown planets of equal mass. Distance from Sun

Which of the following best explains which planet revolves at a faster speed? (3 points)

a
Planet X, because the sun pulls it with a greater force

b
Planet W, because the sun pulls it with a greater force

c
Planet W, because the gravitational force is weakened by distance

d
Planet X, because the gravitational force is strengthened by distance