A satellite orbits the earth at a distance equal to twice the earth's radius above the surface of the earth (the total distance from the center of the earth is three times the radius of the earth).

The satellite has a mass of 60 kg. What is the force of attraction between the earth and the satellite?

a. 588 N
b. 318 N
c. 65.3 N
d. 21.0 N
e. 7.26 N