Question

A space vehicle accelerates uniformly from 80 m/s at t = 0 to 165 m/s at t = 10.0 s .How far did it move between t = 2.0 s and t = 6.0 s ?
bobpursley
Averate speed=(165+80)/2=122.5 m/s

distance in four seconds:
d=avgspeed*time=122.5*4 m