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A spherical planet has a mass MP and diameter Dip A particle of mass  falling freely near the surface of this planet will experience an acceleration due to gravity, equal to

  1. fraction numerator 4 G M p over denominator D p squared end fraction
  2. fraction numerator G M p m over denominator D p squared end fraction
  3. fraction numerator G M p over denominator D p squared end fraction
  4. fraction numerator 4 G M p m over denominator D p squared end fraction

The correct answer is: fraction numerator 4 G M p over denominator D p squared end fraction

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