vellum fighting damping ratio

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I have a simple alembic object moving from right to left in a scene, and I have used pin to target for the top portion of the geometry to follow the animation and a vellum tetstretch after that. The pin to target seems to be causing me some problems.
If I have the damping set at default, it's spiking all over the place, there are no collisions on it.
Raising the damping ratio seems to stop the spiking, but then the object lags behind the current animation, I've tried increasing the sub-steps up to 30, and the constraint subteps to 1000 when setting the damping ratio back to default but that doesn't seem to solve the issue.
Can anybody shed some light on what might be the issue.
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Not sure if it will help in your case but could drop down a Vellum Reference Frame node and try the compensation sliders there.
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