diff --git a/src/camera.rs b/src/camera.rs
index a43f3c4..1ac51cc 100644
--- a/src/camera.rs
+++ b/src/camera.rs
@@ -570,7 +570,7 @@ pub fn apply_input_to_player(
             // Visual effect
             if bike.is_none() && acceleration_total.length_squared() > 1e-4 {
                 let thruster_direction = acceleration_total.normalize();
-                let thruster_v = v.0 - 10.0 * thruster_direction;
+                let thruster_v = v.0 - 5.0 * thruster_direction;
                 ew_effect.send(visual::SpawnEffectEvent {
                     duration: 2.0,
                     class: visual::Effects::ThrusterParticle(pos.clone(), LinearVelocity::from(thruster_v)),
diff --git a/src/visual.rs b/src/visual.rs
index 6afcd24..a9fc383 100644
--- a/src/visual.rs
+++ b/src/visual.rs
@@ -186,7 +186,7 @@ pub fn spawn_effects(
                     FadeMaterial {
                         start_time: now,
                         duration: effect.duration,
-                        value_start: 0.1,
+                        value_start: 0.01,
                         value_end: 0.0,
                     },
                     world::DespawnAt(now + effect.duration),
@@ -198,6 +198,7 @@ pub fn spawn_effects(
                             base_color_texture: Some(texture),
                             perceptual_roughness: 1.0,
                             metallic: 0.5,
+                            unlit: true,
                             alpha_mode: AlphaMode::Blend,
                             ..Default::default()
                         }),