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# rotationsPerSecond

The rotational speed of the crown, measured in rotations per second.

```
var rotationsPerSecond: Double { get }
```

## Discussion

This property contains the last reported rotational speed of the crown in rotations per second.  The rotational speed is an absolute value. It is always positive, regardless of the rotation’s direction.

## See Also

[`crownDidRotate(_:rotationalDelta:)`](/documentation/WatchKit/WKCrownDelegate/crownDidRotate(_:rotationalDelta:))

Called when the user rotates the crown.


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