Context: Marco gives two friends a ride in his wagon. One friend sits in the wagon at a time.
Marco starts to pull the wagon across the yard. To move the wagon at the same speed each time, which friend does Marco need to pull with a larger force?
A. a friend who weighs 28 pounds
B. a friend who weighs 35 pounds
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

B