Change some movement physics

minetest.conf

@@ -1,3 +1,20 @@
 # This is a game specify minetest.conf file, do not edit
 
 time_speed = 72
+
+#movement_acceleration_default = 2
+#movement_acceleration_air = 2
+#movement_acceleration_fast = 10
+
+movement_speed_walk = 4.3
+movement_speed_crouch = 1.3
+movement_speed_fast = 10.8
+#movement_speed_climb = 2
+#movement_speed_jump = 6.5
+#movement_speed_descend = 6
+
+#movement_liquid_fluidity = 1
+#movement_liquid_fluidity_smooth = 0.5
+movement_liquid_sink = 30
+
+#movement_gravity = 9.81