diff --git a/asteroids/actors.lua b/asteroids/actors.lua
index 20e118b..f6a8708 100644
--- a/asteroids/actors.lua
+++ b/asteroids/actors.lua
@@ -131,7 +131,7 @@ function actors.buildActors(game)
             width / 2,
             height / 2
         )
-        --self.rocketPlume:setDirection(phys.tau * 3 / 4)
+        self.rocketPlume:setEmissionRate(1000 * self.throttle)
         love.graphics.draw(self.rocketPlume,
             0,
             0,