A container ship leaves port A and heads due west with an average speed of 18.0 knots (1knot=1.852 km/hr). After traveling 320 km, the ship arrives at port B. The ship remains in port B for 14.0 hours, then heads east with an average speed of 22.5 knots. At a distance of 190km form port B, the ship tragically encounters the second coming of the Perfect Storm and sinks. For the ship;s whole trip from port A to its sinking, what are its average speed and average velocity?