Need help on answering part a) and part b) Cannot find examples in the online textbook and I'm stuck for this problem.

A particle is released as part of an experiment. Its speed t seconds after release is given by v(t) = - 0.5t + 10t, where v(t) is in meters per se a) How far does the particle travel during the first 4 sec? b) How far does it travel during the second 4 sec? . . .. . a) The particle travels meters in the first 4 sec. (Round to two decimal places as needed.) b) The particle travels |meters in the second 4 sec. (Round to two decimal places as needed.) EPIC 25