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>the weight and aerodynamics of the object being thrown

Somehow I doubt that's included in the Android API. ;)

aerodynamic is calculatable from deceleration which is sum of gravitational "g" plus aerodynamic "Cx" multiplied by square proportional to the speed. The weight is known for a given model of device.

>The weight is known for a given model of device.

By "known", I assume you mean "known, assuming you want to track down (an trust!) the specs of the ~4,000 different Android devices", correct?

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