The mass of Pluto is 1.25×1022 kg and its radius is 1.14×106 m. (A.) What is the value of gravitational acceleration g at the surface of Pluto? (B.) An asteroid of 5.00×1011 kg is at an altitude of 5.00×105 m above Pluto's surface. What is the gravitational force exerted on the asteroid by Pluto? (G= 6.67×10-11 Nm2/kg2)