If you roll a ball down a ramp, which factor will have the greatest effect on the amount of friction created?

In paragraph 47, it says “moments like these make a pioneering flight anything but dull” i’d say he’s optimistic and determined? ? and in 48, it describes how i’m assuming people he looks up to walked the same path so maybe he’s honored to be on the journey ? sorry if i’m wrong.

Based on what was seen on the opening page of the chapter, answer in your notebook what relationship exists between the current i didn't see the qustion.