Higher and speeding up...

[iacob alex]

.....an elastic mass /performer's body ( playing as a gravity "spring mass pendulum "...), at :
     http://ffden-2.phys.uaf.edu/webproj/211_fall_2014/Liliane_Ulukivaiola/Physics_of_Skateboarding/how-it-works-half-pipes
     Al_ex

[iacob alex]

.....if we play a mobile/variable fulcrum(support) of a pendular mass , at :
     www.bowl4fun.com/ron/tip41_files/tip41.htm
     Al_ex

[iacob alex]

.....as a logo , at : https://dribbble.com/shots/3807436-/attachments/859760?mode=media
.....but possibly , as a suggestion to think about a "continuous unbalanced motion" , of an elastic body/mass , due to gravity and inertia
.....if we add an inclined plane...so to close the loop.
   Al_ex

[iacob alex]

.....or a performer/skateboarder /snowboarder pumping a halfpipe for speed /highly jumping :
    https://www.exploratorium.edu/skateboarding/trick04.html
.....or maybe for a variable length pendulum((performer's equivalent...) :
    https://patrickphillips.page/pdfs/Term_Paper_PHY235w.pdf ...(Figure 5...)to self-accelerate ?!
    Al_ex.