pan class="st">`</span>(<span class="dt">speed =</span> distance <span class="op">/</span><span class="st"> </span>(air_time<span class="op">/</span><span class="dv">60</span>), <span class="co"># speed in mph (mi/h)</span></span>
<span id="cb6-2"><a href="#cb6-2" aria-hidden="true"></a>               <span class="dt">delay =</span> arr_delay <span class="op">+</span><span class="st"> </span>dep_delay)]   <span class="co"># delay in minutes</span></span>
<span id="cb6-3"><a href="#cb6-3" aria-hidden="true">