diff --git a/src/actor.rs b/src/actor.rs
index 3297b10..cbbe7de 100644
--- a/src/actor.rs
+++ b/src/actor.rs
@@ -1151,12 +1151,14 @@ fn handle_atmosphere(
                 } else {
                     v.0
                 };
-                let friction = dv * (1.0 - height).powf(4.0) / 4.0;
+                let friction = dv * (1.0 - height).powf(16.0) * dt * 10.0;
                 v.0 -= friction;
 
                 if distance < atmo.r_inner {
                     let outward = (pos.0 - atmo_pos.0).normalize();
-                    let buoyancy = outward * (atmo.r_inner - distance) * dt * 10.0;
+                    // depth is 0.0 on "surface" and 1.0 at center
+                    let depth = ((atmo.r_inner - distance) / atmo.r_inner).clamp(0.0, 1.0);
+                    let buoyancy = outward * depth.powf(4.0) * dt * 100_000.0;
                     v.0 += buoyancy;
                 }