FAssetIndexer::GetSampleVelocity

Returns OutSampleVelocity as the delta velocity of the bone Schema.BoneReferences[SchemaSampleBoneIdx] velocity at time CalculateSampleTime(SampleIdx) + SampleTimeOffset minus the velocity of the bone Schema.BoneReferences[SchemaOriginBoneIdx] at time CalculateSampleTime(SampleIdx) + OriginTimeOffset.