A spherical planet has a mass `M_(p)` and diameter `D_(p)`. A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity, equal to:

A spherical planet far out in space has a mass M_(p) and diameter D_(p) . A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity which is equal to

A spherical planet far out in space has a mass M_(0) and diameter D_(0) . A particle of mass m falling freely near the surface of this planet will experience an accelertion due to gravity which is equal to

A spherical planet far out in space has a mass M_(0) and diameter D_(0) . A particle of mass m falling freely near the surface of this planet will experience an accelertion due to gravity which is equal to