diff --git a/src/actor.rs b/src/actor.rs
index 847ca85..9ef3051 100644
--- a/src/actor.rs
+++ b/src/actor.rs
@@ -728,16 +728,19 @@ fn handle_wants_acceleration(
     settings: Res<var::Settings>,
     jupiter_pos: Res<game::JupiterPos>,
     q_audiosinks: Query<(&audio::Sfx, &AudioSink)>,
-    mut q_actor: Query<(
-        Entity,
-        &Transform,
-        &Position,
-        &mut LinearVelocity,
-        Option<&mut Engine>,
-        Option<&WantsAcceleration>,
-        Option<&hud::IsTargeted>,
-        Option<&PlayerCamera>,
-    ), Without<visual::IsEffect>>,
+    mut q_actor: Query<
+        (
+            Entity,
+            &Transform,
+            &Position,
+            &mut LinearVelocity,
+            Option<&mut Engine>,
+            Option<&WantsAcceleration>,
+            Option<&hud::IsTargeted>,
+            Option<&PlayerCamera>,
+        ),
+        Without<visual::IsEffect>,
+    >,
     mut ew_effect: EventWriter<visual::SpawnEffectEvent>,
 ) {
     let dt = time.delta_seconds();
@@ -818,19 +821,20 @@ fn handle_wants_acceleration(
                     (engine.current_warmup + dt / engine.warmup_seconds).clamp(0.0, 1.0);
 
                 // Adjust acceleration to what the engine can actually provide
-                let forward_factor = engine.current_warmup
-                    * (if accel.direction.z > 0.0 {
-                        engine.thrust_forward
-                    } else {
-                        engine.thrust_back
-                    });
-                let right_factor = engine.thrust_sideways * engine.current_warmup;
-                let up_factor = engine.thrust_sideways * engine.current_warmup;
-                let factor =
-                    DVec3::new(right_factor as f64, up_factor as f64, forward_factor as f64);
+                let factor_forward = if accel.direction.z > 0.0 {
+                    engine.thrust_forward
+                } else {
+                    engine.thrust_back
+                };
+                let factor_right = engine.thrust_sideways;
+                let factor_up = engine.thrust_sideways;
+                let engine_factor = Vec3::new(factor_forward, factor_up, factor_right).as_dvec3()
+                    * engine.current_warmup as f64
+                    * ENGINE_SPEED_FACTOR as f64
+                    * engine.current_boost_factor;
 
                 // Apply acceleration to velocity
-                **v += delta_v * factor;
+                **v += delta_v * engine_factor * dt as f64;
 
                 // Visual effect
                 if engine.engine_type == EngineType::Monopropellant {