Part 4/9:
The speaker expands upon the topic by likening the mechanics of an airplane crashing into a building to that of a bunker buster missile. He asserts that the delayed nature of explosions observed during crashes cannot be adequately explained through the combustion of fuel alone. According to him, the mechanics of the explosions seen in videos of the towers are reminiscent of military-grade explosives, designed to penetrate and destroy fortified structures.