Analysis of information sources in references of the Wikipedia article "Los Angeles-class submarine" in English language version.
This reference is for operating depth only
The submarine was traveling in excess of 33 knots—about 35 mph—when its nose hit the undersea formation head-on, officials said.
General Characteristics, Los Angeles class [...] Speed: 25+ knots (28+ miles per hour, 46.3 +kph)
The submarine was traveling in excess of 33 knots—about 35 mph—when its nose hit the undersea formation head-on, officials said.