diff --git a/scripts/Contents/Bullets/PipeBullet.gd b/scripts/Contents/Bullets/PipeBullet.gd
index b79b5d8..fb2ae5b 100644
--- a/scripts/Contents/Bullets/PipeBullet.gd
+++ b/scripts/Contents/Bullets/PipeBullet.gd
@@ -11,4 +11,4 @@ func ai():
 func destroy(_beacuseMap: bool):
 	EffectController.create(ComponentManager.getEffect("PipeFall"), position).shot()
 func succeedToHit(_dmg: float, _entity: EntityBase):
-	energy *= 0.8
+	energy *= 0.6
diff --git a/scripts/Contents/Weapons/Pipe.gd b/scripts/Contents/Weapons/Pipe.gd
index 16c484e..3badbdd 100644
--- a/scripts/Contents/Weapons/Pipe.gd
+++ b/scripts/Contents/Weapons/Pipe.gd
@@ -16,5 +16,5 @@ func attack(entity: EntityBase):
 			var e = charged(readStore("atk"), 0.1)
 			bullet.baseDamage = e
 			bullet.energy = e
-			bullet.speed = e
+			bullet.speed = sqrt(e)
 	return true