Sailing on a Windless Day

While visiting about a week before his death at 101.5, Ric regaled us with his experience teach physics people about sailing.

Here is Ric’s question, published in the American Association of Physics Teachers journal in 1996:

Here is a link to audio containing Ric telling us the context of this conundrum.

And, here is a link to the answer as Ric published it in the AAPT journal.