expression.Decelerate
expression Required. An expression that returns one of the objects in the Applies To list.
Example
This example adds a shape and adds an animation that starts at the default speed and slows down after 70% of the animation has finished.
Sub AddShapeSetTiming()
Dim effDiamond As Effect
Dim shpRectangle As Shape
'Adds rectangle and sets animation effect
Set shpRectangle = ActivePresentation.Slides(1).Shapes _
.AddShape(Type:=msoShapeRectangle, Left:=100, _
Top:=100, Width:=50, Height:=50)
Set effDiamond = ActivePresentation.Slides(1).TimeLine _
.MainSequence.AddEffect(Shape:=shpRectangle, _
effectId:=msoAnimEffectPathDiamond)
'Slows the effect after seventy percent of the animation has finished
With effDiamond.Timing
.Decelerate = 0.3
End With
End Sub