Reply To: Engineering Prof releases draft report on 9/11 collapse of WTC Bldg 7 in NYC


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Could you please explain to me, as I asked above, how WTC7’s initial 0.5 seconds of descent at uniform velocity could possibly be consistent with collapse initiated by explosives?

Because …
… the maximum distance any part of WTC7 could have fallen in the initial 0.5s is 1.22m
… and the video was shot from hundreds of metres away
… therefore the movement could not be accurately subdivided into enough data points to meaningfully graph.