A Delay of 0 and Interval of 1 make this a fast slider.
<Window x:Class="ClassicControls.SliderTest" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="SliderTest" Height="252" Width="482" > <StackPanel> <TextBlock Margin="10" TextWrapping="Wrap"> </TextBlock> <Slider Margin="10" TickFrequency="1" TickPlacement="TopLeft" Maximum="10" Delay="0" Interval="1" > </Slider> </StackPanel> </Window>