Serendipity is often credited for some accidental but happy discoveries in history, from penicillin to super glue. Now Chevrolet is claiming yet another “accidental” discovery, that its upcoming 2019 Corvette ZR1 happens to be the fastest coupe to have rolled on the VIR, a.k.a. the Virginia International Raceway, considered one of the most challenging road course. And, Chevy says, it wasn’t even trying to beat any record. In fact, it didn’t even have a race car driver behind the wheel.