Satellites: Find the Orbital Speed of an Ice Cube in the Rings

Multiple Choice

Satellites: Find the orbital speed of an ice cube in the rings of Saturn. The mass of Saturn is 5.68 × 10²⁶ kg and the rings have an average radius of 100,000 km. (G = 6.67 × 10^-11 N ∙ m²/kg²)

A) 19.5 km/s
B) 27.5 km/s
C) 13.8 km/s
D) 1.95 km/s