That's horrible...
The sound is authentic, in the longer video (that I can’t find) it is said that ”Oh, here is a dead body” from the persons that first arrived to the crasch scene. (This because her mobile phone for selfies where still going). The other girl died at the hospital.
Now this is not horrible, it is just what it is – two persons finish their lives (in a kind of foolish way).
We had a kind of similar accident in Sweden, a car that was driven in high speed for too long, crashed on a straight highway. Unfortunately, they got off the road and smashed into a stone. All three men in the car died immediately. My theory is that they had have a high speed for a long time and one tire exploded. In fact, no other theory can explain why they got off the road on a straight road.
https://www.svt.se/nyheter/lokalt/vastmanland/allvarlig-olycka-i-surahammar-tre-doda
