1.  A bowling ball leaves your hand and hits the lane at an initial speed of 4 m/s. By the time it reaches the pins 3.5 s later it is moving at a speed of 3.6 m/s. Determine the acceleration of the bowling ball during its trip down the lane

 2. A long distance runner has hit their stride and is moving at a constant speed. If the runner covers 30 m in 6 s, determine the speed of the runner.