A Satellite in Low Earth Orbit with a Circular Orbit

A satellite in low Earth orbit with a circular orbit has an orbital speed of 7.3 km/s relative to the Earth's surface.Calculate the satellite's speed in miles per hour.

A) 1.6 * 10⁴ mile per hour
B) 1.3 * 10⁻³ mile per hour
C) 4.2 *10⁴ mile per hour
D) 3.3 *10⁻³ mile per hour
E) 3.1 * 10² mile per hour