Every minute, on the minute, for 5 minutes:
Front Squat
Set 1 – 2 reps @ 60%
Set 2 – 2 reps @ 65%
Set 3 – 2 reps @ 70%
Set 4 – 1 rep @ 75%
Set 5 – 1 rep @ 80%

Rest one minute, and then…

Every two minutes, for 10 minutes (5 sets):
Front Squat
Set 6 – 85% x 1 rep
Set 7 – 85-90% x 1 rep
Set 8 – 90+% x 1 rep
Set 9 – 90+% x 1 rep
Set 10 – 90+% x 1 rep