The bow section planes away, landing about a half a mile away going 20, 30 knots when it hits the ocean floor.
9 seconds sound clip from the Titanic (1997) movie soundboard.
You can hear this line at 00:18:37 in the Blu-ray version of the movie.
Quote context
[...]
- And that's a big ass. We're talking 20, 30000 tons. Okay?
- Then as the bow sinks, it pulls the stern vertical and then finally detaches.
- 2 hours and 40 minutes after the collision.
- Thank you for that fine forensic analysis, Mr. Bodine.
- Of course, the experience of it was somewhat different.
[...]