1. Looking down at the spedometer of your car, you notice that the needle is pointing to 90km/hr (55 mph). What you are reading is the car's ___________. Explain what this means.
2. Assume that a space shuttle takes off from Florida and circles Earth several times, finally landing in California. While the shuttle is in flight, a photographer flies from Florida to California to take pictures of the astronauts when they step off the shuttle. Who undergoes the greater displacement?