></a><span class="kw">head</span>(ans)</span>
<span id="cb18-16"><a href="#cb18-16" aria-hidden="true"></a><span class="co">#    month max_speed</span></span>
<span id="cb18-17"><a href="#cb18-17" aria-hidden="true"></a><span class="co"># 1:     1  535.6425</span></span>
<span id="cb18-18"><a href="#cb18-18" aria-hidden="true"></a><span class="co"># 2:     2  535.6425</span></span>
<span id="cb18-19"><a href="#cb18-19" aria-hidden="true"></a><span class="co"># 3:     3  549.0756</span></span>
<span id="cb18