Question

While visiting planet Epsilon, Brian drops a rock from the top of a crater. He notes that it falls a distance of 100 m in 10. 16 s. What is the acceleration due to gravity on planet Epsilon?
a. 9. 8 m/s²
b. 1. 94 m/s²
c. - 9. 8m/s²
d. -1. 94 m/s²