I saw this video last night:
I hate to say this, but the video demonstration is a fraud ... the huckster cleverly added water to impart that clockwise rotation ... see how he attempts to stop this with the machete blade? ... that should stay for days if not weeks to get all the water currents to settle out ... otherwise the rotation down the drain will be the same direction as the rotation in the basin ...
Note the camera is sitting stationary with the Earth's surface ... that's a profoundly non-inertial frame-of-reference ... and of course the obvious, there's no holes in the Earth's surface for a cyclone to spin up over ... so the whole basin demonstration bears no resemblance to what happens in the atmosphere ...
Now replace "slingshot" with the convective force driving the large-scale Atmospheric Circulation, and "package of cocaine" with air parcel ... the anemometer at the equator reads 0 mph, then the anemometer at 60º will read 500 mph ... but what we measure rarely goes over 200 mph ... this is due to the pressure gradient force slowing the air parcel down to try and match the local air ... which is moving slower ... what pilots call "drag" ...
Vector multiplication ... in the Northern Hemisphere, the
north pointed convection force (cross-product) the
west pointed pressure gradient force yields a counter-clockwise torque, the vector points
outward ... in the Southern Hemisphere, the
south pointed convection force (cross-product) the
west pointed pressure gradient force yields a clockwise torque, the vector points
inward ...
Yes ... our velocity is pointed east, but acceleration is pointed west ... slowing the winds as they approach the pole ... that's
not intuitive and speaks to the very heart of the Newtonian Revolution ... the different between science and philosophy ...