Erlebnispark  Tripsdrill
... that German extreme in-line skater Dirk Auer roller skated down a large wooden roller coaster at Erlebnispark Tripsdrill, reaching speeds of 90 kilometres per hour (56 mph)?
...  that German extreme <a href="./Roller_skating#Inline_skating" id="mwGvc" rel="mw:WikiLink" title="Roller skating">in-line skater</a>   Dirk Auer roller skated down a large wooden roller coaster <i id="mwGvg">(pictured)</i> at <b id="mwGvk"><a href="./Erlebnispark_Tripsdrill" id="mwGvo" rel="mw:WikiLink" title="Erlebnispark Tripsdrill">Erlebnispark  Tripsdrill</a></b>, reaching speeds of <span about="#mwt63" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"90"},"2":{"wt":"km/h"}},"i":0}}]}' id="mwGvs" typeof="mw:Transclusion">90 kilometres per hour (56</span><span about="#mwt63" typeof="mw:Entity"> </span><span about="#mwt63">mph)</span>?