Bottom-up processing is not thought to be a very efficient way to approach a text initially, and is often contrasted with top-down processing, which is thought to be more efficient. Example. Asking learners to read aloud may encourage bottom-up processing because they focus on word forms, not meaning.
Had Titanic hit the iceberg head on, it is likely that there would be massive crushing of the fore part of the ship, which may have prolonged its end, since theoretically while it may have begun to go down by the bow, the center and aft compartments would have stayed dry for a longer period of time.
Rose and Jack as the Titanic hits the iceberg. Before they could be discovered, Jack and Rose escaped back to the upper decks. While they kissed passionately, they were watched admiringly by Murdoch and the crew in the crow's nest. Their escape proved to be just in time, because at that moment the Titanic encountered an iceberg.