I'm left wondering: how much would a hyperloop cost to span the same distance? At 2 or 3 times the speed? They've already started it? Never too late to stop a

I'm left wondering: how much would a hyperloop cost to span the same distance? At 2 or 3 times the speed? They've already started it? Never too late to stop a disaster. It'll be $150B by the time it's finished.