It is ideal to use a cadence of more than 100 rpm and a relatively low gear. For example, on an 18-speed bike, place it in low and sixth, low being the smallest gear by the pedals and sixth being the sixth gear outward from the rear wheel.
Thus the time period for becoming a lawyer after high school graduation is as follows: 4 years for undergrad + 3 years of law school + 6 months for bar study, passing, swearing in.
Whether you plan on specializing in environmental law or family law, you can expect to spend at least seven years in school. If you intend to practice as a professional lawyer, you'll aim for a Juris Doctor (J.D.) degree.