##Javascript (ES6), 37 36 bytes##
Javascript (ES6), 37 36 bytes
v=>a=>"*".repeat((v/=a*70)<9?v+1:10) Saved 1 byte by currying, thanks to TheLethalCoder
let F= v=>a=>"*".repeat((v/=a*70)<9?v+1:10) console.log("Test #1:", F(163)(2)) // ** console.log("Test #2:", F(548)(22)) // * console.log("Test #3:", F(1452)(24)) // * console.log("Test #4:", F(1713)(37)) // * console.log("Test #5:", F(4162)(32)) // ** console.log("Test #6:", F(3067)(15)) // *** console.log("Test #7:", F(22421)(19)) // **********