how do you know the following?
"a plane traveling at sea level speeds would have resistance and a lot of plane debris on the ground at the building."
Unless you have an example of another plane of similar size and speed flying into a similar building, you really have no basis for an opinion - IMHO.
And concerning Flight 93: what do you think the crash site should look like when a jet flies almost straight down - at a high rate of speed - into relatively soft ground? If you don't have a lot of experience with planes crashing into things you might be surprised at the result - which is probably why the mayor (and associates) were confused.
two conflicting opinions:
"There was no plane,” Ernie Stull, mayor of Shanksville [and a resident for 77 years], told German television in March 2003: "My sister and a good friend of mine were the first ones there,” Stull said. “They were standing on a street corner in Shanksville talking. Their car was nearby, so they were the first here—and the fire department came. Everyone was puzzled, because the call had been that a plane had crashed. But there was no plane.”
"In Shanksville, crash scene neighbor Paula Pluta, 33, said that moments before she witnessed the plane go down, she heard a loud noise outside her home. She speculated that the sound had come from the aircraft's jet engines as it passeed overhead."It sounded kind of screechy - - like something was wrong," she said in an interview on her front porch....A second later, she said she spotted the low-flier pass by outside her living room window headed in the direction of nearby Shanksville-Stonycreek School before it disappeared behind a row of trees. "By that time I saw the jet falling from the sky," she said."
http://www.devvy.com/flight_93_part_1.html
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