# Timeline.SpeedRatioTimeline.SpeedRatioTimeline.SpeedRatioTimeline.SpeedRatio Property

## Definition

Gets or sets the rate, relative to its parent, at which time progresses for this Timeline.

``public : double SpeedRatio { get; set; }``
``````double SpeedRatio();

void SpeedRatio(double speedratio);``````
``public double SpeedRatio { get; set; }``
``Public ReadWrite Property SpeedRatio As double``
``````<timeline SpeedRatio="double"/>
``````
Property Value
double double

A finite value greater than 0 that specifies the rate at which time progresses for this timeline, relative to the speed of the timeline's parent. If this timeline is a root timeline, specifies the default timeline speed. The value is expressed as a factor where 1 represents normal speed, 2 is double speed, 0.5 is half speed, and so on. The default value is 1.