The problem is this: sling with r=1.5m spinning 2m above ground. Stone is released and lands 10m away. What is acceleration while in circular motion? The answer is supposed to be 160 m/s. I keep coming up with approx. 145 m/s. I assume I am to figure t first to then find v, where t= sqrt(2y/g), which yields approx. 0.64s. Where am I going wrong? I have tried this many different ways and am pulling my hair out. Any help or leads will be greatly appreciated. Thanks.