Because there was simply nothing better to do that day.
Call it a publicity stunt. Call it an example of homemade space exploration. Whatever you decide, there are some serious Ford Mustang fans out there anxious to see their favorite pony car reach new heights. In celebration of the Mustang's 50th birthday, a group of people working for the Big Valley Ford dealership in California put together a little party. Well, only if you consider attaching a model 2015 Mustang to a high-altitude balloon your idea of a party.
Check out the video and watch as the Mustang soars high into the atmosphere only to come tumbling back to the earth after the balloon pops.