Be falling at 100, 150 miles an hour, something like that, if it had the mass of a couple of cars, it s velocity might have been more like 500 miles an hour or up, what that means is when it got to this area just off member, the water would be essentially like concrete. it would hit it with tremendous force and be absolutely misshapent broken up by the impact. what does that mean? it means when they get settled out there, 47 feet down be that s a good workable depth they have to look at this, figure out how many pieces, where they are, figure out if some is buried down below and up with a list of priorities, what do they want to bring up first? how do they want to bring it up to protect all of this as much as they can, and how long it will taking these operations typically are longer than most expect even though they be this could be pretty fast. ....