>>5692155longbows fired indirectly gaining killing speed as they fell
samurai used two types of bow depending on weather they were foot archers or mounted archers, typically mounted archers fired directly while at full gallop
draw weight gives range more than penetration as well
Japanese arrow heads only needed to pierce wood lacquer armour so were not made from expensive steel like European ones, though the Japanese if they knew what they faced could easily have made such arrowheads