Death by Kettlebells Workout

https://www.youtube.com/watch?v=aF7QfVHC_GM

DEATH BY KETTLEBELLS

1 ROUND 3sec work/57sec rest
2 ROUND 6sec work/54sec rest
3 ROUND 9sec work/51sec rest
…..
19 ROUND 57sec work/3sec rest
20 ROUND 60sec work/0 sec rest