Physics d:\rbr\rbrFrom space to glow-in-the-dark scorpions and having a software-developer mother, Helen Czerski shares her inspiration and passion for science in this Ada .\rbr\rbrHigh Speed video. Cats. Physics. Weightlessness. Of all my videos, if you dont share this one, you probably never will. Please consider sharing by clicking here: .\rbr\rbrA fun look at a typical day in the life of a PhD student.\rbr\rbr Equation for tangential acceleration and normal acceleration in terms of angular speed (velocity) and angular displacement and .