Idiots + cars = LOL

Well, if you really want to be pedantic: pickup time is 09:38 PM, return time is 03:12 AM which makes a total of 17 hours and 34 minutes. Including charging that would be an average of about 585 mph or about 940 kph.
Budget eventually saw sense
Definitely speeding, unless the driver admits to speeding then they generally need to follow for a while to ticket them.