Context: Kids from two different schools are riding their school buses home. The buses are the same. They are going the same speed. But different numbers of kids are riding in each bus.
Each bus takes the same amount of time to stop. Which school bus needs a larger force to come to a stop?
A. a school bus carrying 500 pounds
B. a school bus carrying 650 pounds
Determine the correct option from the provided choices and reply with its corresponding letter.

B