Doing Loops in a Tomorrowland Jet Pack Might Kill You by Rhett Allain from on 2016-03-03 20:16 (#15XJ5) In the movie Tomorrowland, people have jetpacks (or rocket packs). Here is an analysis of the acceleration of a rocket pack. The post Doing Loops in a Tomorrowland Jet Pack Might Kill You appeared first on WIRED.