The velocity of a particle is defined as v1 = (6t + 1) (m/s) and v2 = (2t - 1) (m/s) at t=0. The particle starts at the origin at t=0. Find the distance OA traveled by the particle after t=2 seconds.
a. 7 meters
b. 11 meters
c. 9 meters
d. 5 meters