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I am a bit confused while calculating top speed of the car using gear ratio, Torque, Power and Engine Speed(RPM). Can someone help me out with this?

Specifications are given as follows:

Maximum Torque : 19.2 N-m @ 3800 RPM

Maximum Power : 10 Hp @ 2800 RPM

Tire Specifications: 25x8 - R12 or 254/65 - R12

Gear Ratios:

Initial Input Reduction - 2.869

First Gear Ratio - 4.6

Second Gear Ratio - 2.733

Third Gear Ratio - 1.667

Fourth Gear Ratio - 1.115

Final Forward Reduction - 2.38

Final Backward Reduction - 4.17

I am looking for top speed at each gear at different RPM, as well as acceleration, Torque and Tractive Effort.

Your answers will be really helpful.

Thanks and regards

Karan Dua!