Testing: accelerate, speed.
At 0 seconds, box with the word time will appear blue. They are both blue so you can't see the word time.
At 2 seconds, box and time will start animating color from blue to red. The word time is accelerated and the box is linear.
At 2-4 seconds, the word time will appear and disappear
At 4 seconds, box and time will be red and hold.
<DIV id="d1" style="position:absolute; color:blue; font-size:1in; top:5;left:5">
<t:animateColor attributeName="color" to="red" begin="2s" accelerate="1" speed="2" dur="4s" targetElement="d1" additive="replace" calcmode="linear" fill="hold"/>
Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
Author: Debbie Newman, Microsoft
Feature: speed, attributeName, to, begin, accelerate, dur, targetElement, additive, calcmode, fill=hold
File Name: animateColor_speed_accelerate_001.htm
Media Components: none