Assume a freely falling object were somehow equipped with a speedometer on a planet where the acceleration due to gravity is 20 meters per square second. By how much would its speed reading in- crease each second?

a. 10 m/s
b. 40 m/s
c. A value dependent on its initial speed 4. 30 m/s
d. 5 m/s
e. 20 m/s