{ "name": "Vector Functions", "order": 2, "challenges": [ { "id": "59a5801209a6acac5983b576", "title": "Vectors functions and space curves", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a748", "title": "Derivatives and integrals of vector functions", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a749", "title": "Arc length and curvature", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a750", "title": "Velocity and acceleration", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }