use units::si

@name("Knot")
@url("https://en.wikipedia.org/wiki/Knot_(unit)")
@aliases(knots, kn: short, kt: short)
unit knot: Velocity = 463 m / 900 s

@name("Nautical Mile")
@url("https://en.wikipedia.org/wiki/Nautical_mile")
@aliases(nautical_miles, NM: short, nmi: short)
unit nautical_mile: Length = 1852 m