Not confused, here's a table which breaks things down a little: https://www.researchgate.net/figure/Thresholds-g-forces-for-Accident-Detection_tbl1_271155472 h

Not confused, here's a table which breaks things down a little: https://www.researchgate.net/figure/Thresholds-g-forces-for-Accident-Detection_tbl1_271155472 https://www.researchgate.net/figure/Thresholds-g-forces-for-... My assumption is that they want to trigger the alarm even for mild accidents. Note that the Gs experienced by the dancers in my previously shared article approach the threshold for a mild accident. I wonder how they conducted the experiment, and if a phone held in a person's hand while they are dancing might experience even more Gs than the person's body. edit: I think 4.5gs is equal to a 9-10mph crash.