code: @Pure
  	public static double toRadiansPerSecond(double value, AngularUnit inputUnit) {
  		switch (inputUnit) {
  		case TURNS_PER_SECOND:
  			return value * (2. * MathConstants.PI);
  		case DEGREES_PER_SECOND:
  			return Math.toRadians(value);
  		case RADIANS_PER_SECOND:
  		default:
  		}
  		return value;
  	}
docs: Convert the given value expressed in the given unit to radians per second.
  
  @param value is the value to convert
  @param inputUnit is the unit of the {@code value}
  @return the result of the convertion.