By Madeline Coleman Ross Chastain discusses his Circuit of the Americas win, celebrating by smashing a watermelon and more. NASCAR drivers celebrate their Cup Series victories in a wide variety of ways. Alan Kulwicki did the Polish Victory Lap in 1988, doing a backward lap around the track. Carl Edwards had his infamous backflip. Dale Jarrett and his crew were the first to kiss the bricks on the start/finish line at the Brickyard 400 in 1999. Alex Bowman couldn’t see through the smoke of his burnouts, finding himself and his car stuck on the soggy infield at Chicagoland Speedway. Ross Chastain…