How fast were the planes going when they hit the Twin Towers?

At exactly 9:03:02, Flight 175 crashed nose-first into the southern façade of the South Tower of the World Trade Center, at a speed of approximately 590 mph (950 km/h,
264 m/s, or 513 knots) and striking between floors 77 and 85 with approximately 10,000 U.S. gallons (38,000 L; 8,300 imp gal) of jet fuel on board.