You get in your car with the intention of driving from Tucson to Phoenix ( 114 miles West of Tucson ) . Unfortunately, you were distracted when getting on to the highway and manage to drive in the opposite direction, going East instead of West. You only realize your mistake after arriving at Willcox, AZ (83 miles east of Tucson) . You immediately turn around and drive back through Tucson until you finally reach Phoenix . The entire trip takes 4 hours and 6 minutes to complete . Determine the magnitude of your average velocity during this entire trip .​