{"id":"drag-crisis","seed":1,"columns":["speed","cd","decel"],"rows":[[5,0.47,0.6362250244384526],[6,0.47,0.9161640351913292],[7,0.47,1.2470010478993032],[8,0.47,1.6287360625623748],[9,0.45370370370370366,1.9898952892010158],[10,0.412962962962963,2.2360627336448857],[11,0.36,2.3586350693224034],[12,0.30703703703703705,2.394010985574866],[13,0.26629629629629625,2.4368270746899867],[14,0.25,2.6531937189346877],[15,0.25,3.0457580957159536],[16,0.25,3.465395877792332],[17,0.25,3.9121070651640366],[18,0.25,4.385891657830854],[19,0.25,4.88674965579321],[20,0.25,5.414681059050679],[21,0.25,5.9696858676032605],[22,0.25,6.551764081450955],[23,0.25,7.160915700594188],[24,0.25,7.7971407250329605],[25,0.25,8.46043915476642],[26,0.25,9.150810989795417],[27,0.25,9.868256230119528],[28,0.25,10.612774875739177],[29,0.25,11.38436692665394],[30,0.25,12.183032382863814],[31,0.25,13.008771244368802],[32,0.25,13.861583511169329],[33,0.25,14.741469183265394],[34,0.25,15.648428260656146],[35,0.25,16.582460743342438]],"summary":{"cdAt5":0.47,"cdAt11":0.36,"cdAt20":0.25,"decelAt30":12.183032383,"rows":31},"title":"Drag crisis","question":"How does the ball’s drag coefficient — and the deceleration it causes — change with speed?","literature":[{"label":"Carré et al. 2002 (match ball)","source":"Carré, Asai, Akatsuka & Haake, \"The curve kick of a football II: flight through the air\", Sports Engineering 5 (2002) 193–200","points":[],"xLabel":"speed m/s","yLabel":"C_d","caption":"Overlay not transcribed — the points are left empty rather than approximated from the paper; see the source."}],"config":{"sha":"dfa2b5d"},"reproduce":"npm run atlas -- drag-crisis"}