n><span class="identifier">meters</span><span class="special">/</span> second<span class="special">,</span> 
                               <span class="number">0</span><span class="special">.</span><span class="number">0</span> <span class="special">*</span><span class="identifier">meters</span><span class="special">/</span> second<span class="special">)</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.44.10.4.28.4.4"></a><h2>Description</h2>
<p>speed of light </p>
</