the answer is sail boat won the race , and it was going 8 feet per second
the economic activity signified in that scenario is a. production
in general, market production makes reference to the elaboration of a product or service which is destinated for economic purposes (to be sold) at money-price in a market. such product or service has to be principally tradable for money.
there is no money exchange involved in distribution, generalized reciprocity or balanced reciprocity.