A stone on a string 80 cm long is whirled round a horizontal circle at a steady speed, 14 times in 25 s. What is its acceleration, in m/s²?

1solve :a_whirled_stone, using: UniformCircularMotion do2  objects :stone3  paths :circle4  stone.goes(:round, on: circle)56  take length: circle.radius, turns: stone.revolutions, time: stone.goes(:spinning, on: circle).time_taken7  deduce_from "14 times in 25 s", stone.revolutions => 14.0, stone.goes(:spinning, on: circle).time_taken => "25 s"ArgumentError: spinning is a word Ruby already uses: call it something else89  acceleration = stone.centripetal_acceleration10  answer acceleration:, in: "m/s2", figures: 311  conclusion "The stone moves at a steady speed but its direction changes constantly, so it has a centripetal acceleration toward the centre."12end