Inother words if you increase your speed the distance travelled per unit of time will increase proportionally. But to get more speed you need a sh!t more go go juice, hence it runs out quicker, a lot quicker, hence you don't go as far.
But I think buttrick's point is that the time hasn't changed. So you can't run out of fuel quicker. I'm guessing they are assuming the timelines are those
quoted here with the crash defined by that last partial ping at 7.38.