getEndVelocity
Calculates the end velocity of the animation with the provided start/end values, and start velocity. For duration-based animations, end velocity will be the velocity of the animation at the duration time. This is also the default assumption. However, for physics-based animations, end velocity is an AnimationVector of 0s.
Parameters
initialValue
start value of the animation
targetValue
end value of the animation
initialVelocity
start velocity of the animation