Stack, 17, of Fenton was on her way to Kalamazoo for a
dance team practice when she felt a piece of grass hit her arm with force, and heard what sounded like a vehicle driving on the median.
"If [the window] wasn't down, I
probably wouldn't have heard the car on the median nor would I have felt the
grass hit my arm. I thought it was just a car being stupid trying to get to the
other side of the highway without getting off on an exit," Stack told MLive.
What Stack was about to see, was a truck lose control, jump a guardrail and land in Sycamore Creek along I-96.
MLive reports that the driver of the truck, 58-year-old Mark Moerland of Kentwood, suffered a seizure behind the wheel and lost control
of vehicle. Miraculously, Moerland survived the accident and is expected to make a full recovery.
Stack's video of the accident, which she posted to Vine, has since gone viral - being pcked up by a number of media outlets including Buzzfeed and The Huffington Post.