This is a Skywalker Sound sound effect of a bullet ricochet whizzing. It's most often used to accent explosions (debris or fireballs launching out of an explosion, e.g.). It shoud not be confused with part of CINESOUND - EXPLOSION TYPE 2/SoundDogs, Explosions Fires - Explosion; Big Cannon Shot Explodes-Distortes. Nsg. Links: https://soundeffects.fandom.com/wiki/SKYWALKER_WHISTLING_RICOCHET,_EXPLOSION_ACCENT#Audio_Samples