A Pendulum That on Earth Has Period 0

Multiple Choice

A pendulum that on Earth has period 0.52 s is taken to the surface of a large asteroid,where it is measured to have period 1.7 s.What is the value of the gravitational acceleration on the surface of that asteroid?

A) 5.78 m/s²
B) 0.48 m/s²
C) 3.0 m/s²
D) 0.92 m/s²