A satellite of mass m is moving in a circular orbit at a distance R above the surface of a planet of mass M and radius R. The amount of work done to shift the satellite to a higher orbit at a distance 2 R above the surface of the planet is:

Options

A. `(MmgR)/(M+m)
B. `(MmgR)/6(M+m)
C. `mgR/6`
D. `mgR`