code: @Pure
  	public static double fromMetersPerSecond(double value, SpeedUnit outputUnit) {
  		switch (outputUnit) {
  		case KILOMETERS_PER_HOUR:
  			return value / 3.6;
  		case MILLIMETERS_PER_SECOND:
  			return value * 1000.;
  		case METERS_PER_SECOND:
  		default:
  		}
  		return value;
  	}
docs: Convert the given value expressed in meters per second to the given unit.
  
  @param value is the value to convert
  @param outputUnit is the unit of result.
  @return the result of the convertion.