Question

What is the intensity level of a physical activity that causes some increase in breathing, is a perceived exertion of 5 or 6, and allows you to have a conversation while doing the activity?

Answer 1

A moderate level. You have to be able to be physical enough to lose said amount, but to maintain conversation is a different story, if you were to go above then you wouldn't have enough breath, and you would have to stop, below and you aren't actually breathing the actual amount provided.