A General Contractor utilizes a $20CY$ dump truck to haul excess excavated material. The truck is powered by a $200HP$ four$-$cycle naturally respirated engine and the gear train efficiency is $0\mathrm{.}80.$ The site is at $4,000ft$ elevation. The gross weight of a fully$-$loaded truck is $40$ tons with $60\%$ carried by the rear $($driving$)$ wheels. Haul road is at $7\%$ grade with tire penetration of $1\mathrm{.}5$ inch. The coefficient of traction is $0\mathrm{.}7.$ The performance data is shown in the table below.

A$.$ Determine the adjusted available rimpull of the truck in each of the indicated gears.

B$.$ What will be the maximum speed for the truck?

$\backslash$table$[[$Gear$,$Speed $(mph)$