Riders on the power tower are launched skyward with an acceleration of 4g, after which they experience a period of free fall.

increases it

i would say

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada