Some additional insight into the aircraft's airspeed at the time of the accident, from
NTSB: Bell 525 suffered main blade strikes
Flightradar24 shows the last data point for FTV1 was at 1,975 feet at a groundspeed of 199 knots. At the time, it was tracking south to north with a 20-knot tailwind, equating to an approximate airspeed of 179 knots.
I/C