derailed. i understand we have someone on the line with us right now. who is it? max is an emory university freshman who was on the train. max, give us an indication of exactly what you experienced when this happened. >> basically, everything was going fine. for two seconds, the car started to shake and all of a sudden everyone was, flew up on to the side of the train and everyone was just so confused, what happened. the car started to smoke and we thought we'd better get out of there before it explodes. so we tried getting everyone off the train. >> did you have any indication, was there any kind of prior warning or was this something that happened all of a sudden? >> it all happened at once.