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 $5,000 \mathrm{~km} ?\left(\mathrm{G}=6.67 \times 10^{-11} \mathrm{~N} \mathrm{~m}^{2} / \mathrm{kg}^{2}\right.$ , the mass of the Earth is $5.98 \times 10^{24} \mathrm{~kg}$ , and the radius of the Earth is $6.38 \times 106 \mathrm{~m}$ .)

A) $8.43 \mathrm{~N} / \mathrm{kg}$ .
B) $9.55 \mathrm{~N} / \mathrm{kg}$ .
C) $5.28 \mathrm{~N} / \mathrm{kg}$
D) $6.33 \mathrm{~N} / \mathrm{kg}$ .
E) $3.08 \mathrm{~N} / \mathrm{kg}$ .