A particle moves along the x-axis over the time interval 0<t<6. The graph of the velocity of the particle is shown above. Over the time interval 0<t<6, the particle’s displacement is 4 and the particle travels a total distance of 16. What is the value of (interval from 4 to 2) v(t)dt?
A -12
B -6
C 6
D 12
