QUESTION 2 An incy-wincy spider crawls along the waterspout that modelled by the vector function r(t} = ti+ :5 j+ 6" k where I is measured in minute and distance is measured in feet. i) Find the velocity of the spider at time I: 30 seconds. ii} Find the acceleration of the spider at time t =10 seconds. iii) Find the tangential component of the acceleration at time t: 15 seconds. iv) Find the normal component of the acceleration at time I: 50 seconds. (15 Marks)