If a drone flies east with an average velocity of 18.2m/s for 21 seconds, then flies west with an average velocity of 4.5 m/s for 35 seconds.

a. Sketch the trip.

b. Find the drone's total distance travelled for this entire trip.

c. Find the drone's total displacement for this entire trip.

d. Find the drone's average speed.

e. Find the drone's average velocity.