Here is split screen video of the September 11, 2001 attack that demolished the World Trade Center, played at 4x normal speed, synced at Bush’s speech at about 0930 hours.
Part 1 of 3:
Remix (different audio) due to complaint from Warner Music:
Part 2 of 3:
Part 3 of 3:
H/T to chrysaor911 for this.