When a building starts to fall at freefall speed, the bottom is pulverizing at the same time as the top. The visible pulverization just happened to emerge from the top first. What was happening at the bottom was obscured by a cloud of dust. You're all over my posts on this like an albatross Joe King. I don't hear better explanations from you--just a determination to discredit what I write about it. What's up with that? What kind of agenda are you following here? Hatha