QF 3 inch 20 cwt 1916 : max._height_(ft) : 22000 | QF 3 inch 20 cwt 1916 : time_to_ft_(m)_at_25°_(seconds) : 9.2 | QF 3 inch 20 cwt 1916 : shell_(lb) : 16 | QF 3 inch 20 cwt 1916 : time_to_ft_(m)_at_55°_(seconds) : 18.8 | QF 3 inch 20 cwt 1916 : m/v_ft/s : 2000 | QF 3 inch 20 cwt 1916 : time_to_ft_(m)_at_40°_(seconds) : 13.7
The foot per second speed where time to feet ratio is 9.2 at 25 degrees is 2000.0.