Assertion: ship's speed | /r/HasProperty | achieved
Facets:
Source sentences:
text: Using Renault engines, a top speed of 87 km/h (47 kn; 54 mph) was achieved, accelerating rapidly, taking waves without difficulty, steering well and showing good stability.
text: By the 1970s hydrofoil craft were in operation in many places, and speeds of up to 80 knots (nautical miles per hour) had been achieved.