Audio problem: At the NSA, General George Deckert asks Kyle what did Stone tell him when they spoke. Kyle replies "He didn't say much", and in the following reverse shot you can see Scott Speedman's jaw as he's speaking, but no sound is heard. (01:02:15)
Audio problem: When Stone runs away from the cells where Gibbons, Harris and Jackson are, there's a guard in his pursuit super-close, but in the next shot he's battling a guard to the totally opposite end of the corridor - if he locked the door or managed to kick the guy back, we did not get to hear it, only Samuel Jackson yelling. (00:53:20)
Audio problem: Charlie takes Darius to the big mansion; Ice Cube says "Woah woah woah wait a minute; this is your home?", but his lips don't move. (00:40:30)
Answer: To break the surface of the water making an easier penetration. Hitting water at high speeds can be like hitting concrete. By stirring up the water it "softens" the impact.
EMTurbo