context: The Albacore diesel-electric submarine was created to study various issues of nuclear submarine building and, above all, to drastically improve the hydrodynamic qualities of US submarines. More than 25 different models have been tested in the wind tunnel and test pool. Then a boat design was developed with a design submarine speed of 25 knots.
question: What was the speed at the US Navy Albacore diesel-electric submarine?
answers.text: 25 knots