My thought too. Doesn't it look like that fireball trail has an unnatural curve?
"Federal Aviation Administration officials in Western Washington told KOMO-TV that the light was a high-altitude jet that was leaving a contrail behind it. FAA officials say the sun was at just the right angle before sunset to reflect off the jet and create the illusion of smoke and fire."
he he he...."high-altitude" hmmm....steep decent followed by shallow turns to scrub speed....