What Is the Period (In Hours) of a Satellite Circling

Multiple Choice

What is the period (in hours) of a satellite circling Mars 100 km above the planet's surface? The mass of Mars is 6.42 × 10²³ kg, its radius is 3.40 × 10⁶ m, and G = 6.67 × 10^-11 N ∙ m²/kg².

A) 1.75 h
B) 1.25 h
C) 1.15 h
D) 1.00 h
E) 1.45 h