They may have faked the explosion at the end, and obviously their explanation is...

phpnode on Oct 13, 2014 | parent | context | favorite | on: The Space Shuttle’s Controversial Launch Abort Pla...

They may have faked the explosion at the end, and obviously their explanation is total nonsense, but the launch looks pretty authentic, see this alternate angle: https://www.youtube.com/watch?v=xoMKy043j_I