Weight and G: an Object Drops a Distance H in a Time

Multiple Choice

Weight and g: An object drops a distance h in a time of 6.3 s on the surface of the earth (neglecting air effects) . How long would it take the same object to drop the same distance on the surface of spherical asteroid X having a mass of 1.1 × 10²² kg and a radius of 4.0 × 10⁵ m? (G = 6.67 × 10^-11 N ∙ m²/kg², M_earth = 5.97 × 10²⁴ kg, R_earth = 6.38 × 10⁶ m)

A) 9.2 s
B) 6.3 s
C) 5.2 s
D) 12 s
E) 3.3 s