colourlessponyWhat happens to flies when you let them fly out the window of a car at 75 mph?
HobbitFoot A fly has a low terminal velocity, below 20 mph. This is good for a fly if it is dropped from a skyscraper. However, that isn’t happening here.
In the air, the fly is going to rapidly slow down as it leaves the turbulent wake of the car. While I expect the insect to live, it will likely be stunned as the air hits it. That also assumes there are no other cars on the road for the fly to hit.