A Pendulum, Which Has a Period of 0

Multiple Choice

A pendulum, which has a period of 0.52 s on Earth, is taken to the surface of a large asteroid. There it is measured to have a period of 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