Context: Read the text about a person in motion.
Caleb rode an escalator from the first floor to the second floor of a shopping mall.
Complete the statement. Assume that Caleb's mass did not change.
The gravitational potential energy stored between Caleb and Earth () as he rode the escalator.
A. increased
B. stayed the same
C. decreased
Determine the correct option from the provided choices and reply with its corresponding letter.
Answer: A