Five hours.
Doesn't seem as if your broadband is very broad.
I saved the file in under 20 minutes and I've got a basic home use service, not a supersonic business connection.
A friend who uses dial-up simply left it to download when he wasn't using his computer and now, for a few pounds, has a superb video he can play whenever he wants and keep as a souvenir of the finest passenger aircraft ever built. Good value for money.