There's a book called "The Presence Process" by Micheal Brown. His method of breath work he speaks about in it is where you connect the breath and you don't pause. You do this for 15 minutes, once in the morning and then at night.
Isn't this essentially the same thing that Leo is recommending?
In the video below is his recommended starting pace for breathing and then he recommends doubling the pace and then tripling it. What do you guys think?