Below is another motion diagram for an object that moves along a linear path. The dots are separated by equal intervals of time and represent the position of the object at three subsequent instants. The vectors v⃗ a and v⃗ b show the average velocity of the object for the first and second time intervals. Draw the vector Δv⃗ and the acceleration vector a⃗ representing the change in average velocity of the object during the total time interval.