What Is the Gravitational Field Strength at the Location of a Satellite

Multiple Choice

What is the gravitational field strength at the location of a satellite that is orbiting the Earth at an altitude of 5,000 km? (G = 6.67 × 10^-11 N m²/kg², the mass of the Earth is 5.98 × 10²⁴ kg, and the radius of the Earth is 6.38 × 10⁶ m.)

A) 9.55 N/kg.
B) 8.43 N/kg.
C) 3.08 N/kg.
D) 6.33 N/kg.
E) 5.28 N/kg.