After class, a physics student walks a distance of 22.3 meters in a direction of 40 degrees north of east in 29.4 seconds. The student then walks a distance of 33.6 meters in a direction 15 degrees west of north in 40.2 seconds. The student then walks a distance of 28 meters in a direction of 38 degrees west of south in 30.2 seconds. finally, the student turns and walks a distance of 25.1 meters in a direction of 22 degrees south of east in 30.3 seconds. What is the average speed that the student was moving?