diff --git a/src/action/systems.rs b/src/action/systems.rs
index f119bf5..09aea8f 100644
--- a/src/action/systems.rs
+++ b/src/action/systems.rs
@@ -17,7 +17,12 @@ use crate::{
 };
 
 fn yaw_to_angle(yaw: f32) -> f32 {
-    yaw.powi(3) * FRAC_PI_4
+    let v = yaw.powi(5) * FRAC_PI_4;
+    if v.is_normal() {
+        v
+    } else {
+        0.0
+    }
 }
 
 fn rotate_point(pt: &Vec3, rot: &Quat) -> Vec3 {
@@ -200,8 +205,8 @@ pub(super) fn tunnel_out(
         }
         tunneling.frames -= 1;
         force.force = tunneling.dir * settings.gravity * 1.5 * mprops.0.mass;
-        //#[cfg(feature = "inspector")]
-        //dbg!(&tunneling);
+        #[cfg(feature = "inspector")]
+        dbg!(&tunneling);
     }
 }
 
diff --git a/src/bike/body.rs b/src/bike/body.rs
index d841c14..572ae6f 100644
--- a/src/bike/body.rs
+++ b/src/bike/body.rs
@@ -30,7 +30,7 @@ pub(super) fn spawn_cyberbike(
     };
 
     let friction = Friction {
-        coefficient: 0.3,
+        coefficient: 0.01,
         ..Default::default()
     };