Hello all,

I'm having an issue, which is that my equation for acceleration in constant speed circular motion is different from the prof's. We are essentially told to derive an equation based on a particle travelling at v metres per second. I reasoned that in half a period, the particle reverses velocity, therefore acceleration is 2v/(T/2). Then for T I used (2*pi*r)/v, such that T/2 = (pi*r)/v. Consequently this gives me an equation for angular acceleration of A = (2v^2)/(pi*r)

However, the prof's equation states that A = v^2/r

Am I doing something wrong?