diff --git a/interface/src/avatar/Hand.cpp b/interface/src/avatar/Hand.cpp
index bd3a0a1fac..7f8e3ffe52 100755
--- a/interface/src/avatar/Hand.cpp
+++ b/interface/src/avatar/Hand.cpp
@@ -24,11 +24,11 @@ using namespace std;
 const float FINGERTIP_VOXEL_SIZE = 0.05;
 const int TOY_BALL_HAND = 1;
 const float TOY_BALL_RADIUS = 0.05f;
-const float TOY_BALL_DAMPING = 0.99f;
+const float TOY_BALL_DAMPING = 0.999f;
 const glm::vec3 NO_VELOCITY = glm::vec3(0,0,0);
 const glm::vec3 NO_GRAVITY = glm::vec3(0,0,0);
 const float NO_DAMPING = 0.f;
-const glm::vec3 TOY_BALL_GRAVITY = glm::vec3(0,-0.5,0);
+const glm::vec3 TOY_BALL_GRAVITY = glm::vec3(0,-2.0,0);
 const QString TOY_BALL_UPDATE_SCRIPT("");
 const float PALM_COLLISION_RADIUS = 0.03f;
 const float CATCH_RADIUS = 0.2f;
diff --git a/libraries/particles/src/ParticleCollisionSystem.cpp b/libraries/particles/src/ParticleCollisionSystem.cpp
index 1a21d1231e..313c4d7045 100644
--- a/libraries/particles/src/ParticleCollisionSystem.cpp
+++ b/libraries/particles/src/ParticleCollisionSystem.cpp
@@ -206,7 +206,7 @@ void ParticleCollisionSystem::applyHardCollision(Particle* particle, const glm::
 void ParticleCollisionSystem::updateCollisionSound(Particle* particle, const glm::vec3 &penetration, float frequency) {
                                 
     //  consider whether to have the collision make a sound
-    const float AUDIBLE_COLLISION_THRESHOLD = 0.02f;
+    const float AUDIBLE_COLLISION_THRESHOLD = 0.1f;
     const float COLLISION_LOUDNESS = 1.f;
     const float DURATION_SCALING = 0.004f;
     const float NOISE_SCALING = 0.1f;