>> august 19th, 2012. lauri ulvestad is driving home from missouri to iowa when her ride takes an alarming turn. >> 911, where's your emergency? >> i'm on 35 northbound. i'm at mile marker 86. and my car is just picking up speed. >> okay. are you able to hit your brakes at all? >> i've tried everything. >> kelly bride has been working as a 911 dispatcher in harrison county for only three months when she picks up the frantic call. >> the first training module i ever did was a stuck accelerator. and it went through the steps to tell the caller what to do. >> all of a sudden it just started picking up speed, and