the time of derailment. the pierce county sheriff's office says the fatalities that did occur were in the amtrak train itself not from the cars below. some of those passengers according to the sheriff's office were able to get up and walk away unharmed from this incident. katie. >> jo stick with us. we also have former ntsb board member john goal yo with us. we're hearing reports this train was going about 81 miles an hour. 79 is the supposed upper limit for this train. a 2 mile per hour difference. should that matter? >> no, 2 miles should not matter. it may just be an indication difference. so it's going to take a bit of time for the ntsb to dig into that and figure out how was the train was going, very early in