<slide>
<title>Delta-V</title>

<image align="left" filename="rockomax-48-7s.png"/>
<image align="right" filename="fl-t400.png"/>
<blurb>Specific impulse:</blurb>
<image filename="specific-impulse.png"/>

<blurb>Rocket equation:</blurb>
<image filename="rocket-equation.png"/>

<example result="3"><![CDATA[<?php
function delta_v( $lsp, $g, $m0, $m1 )
{
	return ($lsp * $g) * log($m0/$m1);
}
echo delta_v( 300, 9.81, 3500, 1500 ), "\n";
?>]]></example>

</slide>
