Find the velocity of a long-distance runner who runs south 30 miles in 6 hours. per hour/

Select the word from the list that best fits the definitionstates the the universe is expanding

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.