The
answer is more than 6 METs, MET measures by oxygen used by the body. Vigorous-intensity exercise is a physical
activity done with a large amount of effort. It is the intensity at which you
have a substantially higher heart rate and rapid breathing.
The answer is more than 6 METs, since the role METs is to measure oxygen used by the body, when you exercise with lots of effort it is the intensity at which your heart rate increases and causes rapid breathing.
