Compare the motion of three geese. Which goose was moving at the highest speed?

 - a goose that moved 280kilometers west in 5hours
 - a goose that moved 350kilometers east in 5hours
 - a goose that moved 375kilometers north in 5hours
Look at the distance each goose moved and the time it took to move that distance. The direction each goose moved does not affect its speed.
Notice that each goose moved for 5 hours. The goose that moved 375 kilometers moved the farthest distance in that time. So, that goose must have moved at the highest speed.