A particle is moving so that its displacement s (in metres) is given by s = 10t-4t³ where t is the time in seconds. Do not include units for any of your answers in these questions. • Derive a function for the velocity v of the particle. V = • Find the particle's velocity when t = 0 V = m/s • Find t when the particle is stationary (the velocity is zero). t = seconds Derive a function for the particle's acceleration, a. a = • Find the particle's acceleration a when t = 5 a = m/s² Check