Problem: An object takes 1.2 minutes to move in the xyz plane from a point with coordinates x = 3.5 m, y = 2.6 m, z = 1.2 m to a point with coordinates x = 7.6 m, y = -5.2 m, z = 4.3 m.
Part I: What is its average velocity?
Please show how you obtained its average velocity.