3. Marie is jogging on the deck of a large cruise ship. From the ship's reference frame, Marie is jogging east at a speed of 2.68 meters per second. To a stationary outside observer, the boat is moving directly northeast (45" north of east) at a speed of 11.18 meters per second. To the stationary outside observer, what is the magnitude of Marie's velocity? O 11.5 m/s O 13.9 m/s O 11.9 m/s O 13.2 m/s