CNN CNN Newsroom January 3, 2015 19:54:00
But in fact this wing hit the water. the water being a very very hard surface when you hit it fast. >> reporter: so if you're talking about a 777 hitting the water, it would be immensely more noticeable. >> and that 777 would be moving at a much higher speed. therefore the energy would be much greater. >> reporter: with all the pieces the investigators are able to put back together if they don't recover the part of the plane that failed in flight the cause of the crash may remain a mystery. stephanie elam, cnn, los angeles. and president obama's vacation in hawaii, over tomorrow. and monday ...