update ipynb

analysis/impact-testing.ipynb

@@ -649,12 +649,7 @@
      ]
     }
    ],
-   "source": [
-    "v = 1. #m/s\n",
-    "g = 9.81 #m/s^2\n",
-    "x = v**2/(2*g)\n",
-    "print x"
-   ]
+   "source": []
   },
   {
    "cell_type": "code",