No no no no, don’t do that (triggering me to start yet another wild experiment 
)
Actually I think that would be quite easy and for a first try I would remove the arduino from the picture:
- I would get one of those vibration sensors that have a potentiometer to adjust the level above which they generate an alarm signal,
connect that output signal to a relay module,
and connect the relay output such that when activated it shorts the two feedhold pins, and voila.
That’s the naive approach, and it might not be easy to set that potentiometer such that it triggers at the right level of vibration and never false-triggers, if that doesn’t work reliably enough the next step would be to put the arduino back into the picture, and interface it with an accelerometer, some of them have quite fancy built-in filters and can generate an alarm above a given threshold again, or you might even go so far as so read the accelerometer at a defined sample rate and perform custom data processing on it. But that, is another story.
EDIT: or, go full crazy and hook up an IMU to the arduino as you posted 
And while I was writing this, a vibration sensor module appeared in my Amazon basket and an order was placed. I’m weak.