Much like dominoes falling, NASCAR's high-speed machines could not withstand the collective forces of nature in the sport's most bouncy race track.
Boom, boom, boom, cars kept dropping out on a muggy Sunday afternoon. Engines overheating. Cars bumping into each other. Unfortunate circumstances. Silly, stupid human error.
Then Keselowski held off the always-savvy Busch to win his second race of the season.