I can't take off, too. and by the way you displayed the wrong graph for velocity. it's not velocity it's the kinetic energy. that's completely different.
i'm sorry to say it but that's no perpetual motion. because of the attracting object you add energy to the system. let the simulation run for about 10 minutes and you will see that it will gain energy because of the attraction.
* select everything you want to spawn
* press CTRL + C
* go to http://www.textfixer.com/ … breaks.php
* click onto the top textbox and press CTRL + V
* remove line breaks and paragraph breaks
* copy the code (CTRL + C) from the text box at the bottom
* now go to an objects onCollide and insert the text (CTRL + V)
das ist ja witzig
nur wie komm ich direkt am anfang hinter dem schwarzen fleck auf dem boden weiter? Ich ramm immer erikas box und brems mit dem gesicht auf dem boden.